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path: root/drivers/firewire/core-topology.c
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Diffstat (limited to 'drivers/firewire/core-topology.c')
-rw-r--r--drivers/firewire/core-topology.c44
1 files changed, 19 insertions, 25 deletions
diff --git a/drivers/firewire/core-topology.c b/drivers/firewire/core-topology.c
index 93ec64cdeef..0de83508f32 100644
--- a/drivers/firewire/core-topology.c
+++ b/drivers/firewire/core-topology.c
@@ -29,9 +29,8 @@
#include <linux/slab.h>
#include <linux/spinlock.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
#include <asm/byteorder.h>
-#include <asm/system.h>
#include "core.h"
@@ -174,12 +173,7 @@ static inline struct fw_node *fw_node(struct list_head *l)
return list_entry(l, struct fw_node, link);
}
-/**
- * build_tree - Build the tree representation of the topology
- * @self_ids: array of self IDs to create the tree from
- * @self_id_count: the length of the self_ids array
- * @local_id: the node ID of the local node
- *
+/*
* This function builds the tree representation of the topology given
* by the self IDs from the latest bus reset. During the construction
* of the tree, the function checks that the self IDs are valid and
@@ -210,19 +204,19 @@ static struct fw_node *build_tree(struct fw_card *card,
next_sid = count_ports(sid, &port_count, &child_port_count);
if (next_sid == NULL) {
- fw_error("Inconsistent extended self IDs.\n");
+ fw_err(card, "inconsistent extended self IDs\n");
return NULL;
}
q = *sid;
if (phy_id != SELF_ID_PHY_ID(q)) {
- fw_error("PHY ID mismatch in self ID: %d != %d.\n",
- phy_id, SELF_ID_PHY_ID(q));
+ fw_err(card, "PHY ID mismatch in self ID: %d != %d\n",
+ phy_id, SELF_ID_PHY_ID(q));
return NULL;
}
if (child_port_count > stack_depth) {
- fw_error("Topology stack underflow\n");
+ fw_err(card, "topology stack underflow\n");
return NULL;
}
@@ -240,7 +234,7 @@ static struct fw_node *build_tree(struct fw_card *card,
node = fw_node_create(q, port_count, card->color);
if (node == NULL) {
- fw_error("Out of memory while building topology.\n");
+ fw_err(card, "out of memory while building topology\n");
return NULL;
}
@@ -289,8 +283,8 @@ static struct fw_node *build_tree(struct fw_card *card,
*/
if ((next_sid == end && parent_count != 0) ||
(next_sid < end && parent_count != 1)) {
- fw_error("Parent port inconsistency for node %d: "
- "parent_count=%d\n", phy_id, parent_count);
+ fw_err(card, "parent port inconsistency for node %d: "
+ "parent_count=%d\n", phy_id, parent_count);
return NULL;
}
@@ -420,11 +414,10 @@ static void move_tree(struct fw_node *node0, struct fw_node *node1, int port)
}
}
-/**
- * update_tree - compare the old topology tree for card with the new
- * one specified by root. Queue the nodes and mark them as either
- * found, lost or updated. Update the nodes in the card topology tree
- * as we go.
+/*
+ * Compare the old topology tree for card with the new one specified by root.
+ * Queue the nodes and mark them as either found, lost or updated.
+ * Update the nodes in the card topology tree as we go.
*/
static void update_tree(struct fw_card *card, struct fw_node *root)
{
@@ -524,7 +517,7 @@ static void update_topology_map(struct fw_card *card,
}
void fw_core_handle_bus_reset(struct fw_card *card, int node_id, int generation,
- int self_id_count, u32 *self_ids)
+ int self_id_count, u32 *self_ids, bool bm_abdicate)
{
struct fw_node *local_node;
unsigned long flags;
@@ -536,14 +529,13 @@ void fw_core_handle_bus_reset(struct fw_card *card, int node_id, int generation,
*/
if (!is_next_generation(generation, card->generation) &&
card->local_node != NULL) {
- fw_notify("skipped bus generations, destroying all nodes\n");
fw_destroy_nodes(card);
card->bm_retries = 0;
}
spin_lock_irqsave(&card->lock, flags);
- card->broadcast_channel_allocated = false;
+ card->broadcast_channel_allocated = card->broadcast_channel_auto_allocated;
card->node_id = node_id;
/*
* Update node_id before generation to prevent anybody from using
@@ -551,7 +543,9 @@ void fw_core_handle_bus_reset(struct fw_card *card, int node_id, int generation,
*/
smp_wmb();
card->generation = generation;
- card->reset_jiffies = jiffies;
+ card->reset_jiffies = get_jiffies_64();
+ card->bm_node_id = 0xffff;
+ card->bm_abdicate = bm_abdicate;
fw_schedule_bm_work(card, 0);
local_node = build_tree(card, self_ids, self_id_count);
@@ -561,7 +555,7 @@ void fw_core_handle_bus_reset(struct fw_card *card, int node_id, int generation,
card->color++;
if (local_node == NULL) {
- fw_error("topology build failed\n");
+ fw_err(card, "topology build failed\n");
/* FIXME: We need to issue a bus reset in this case. */
} else if (card->local_node == NULL) {
card->local_node = local_node;